code: def test_texture_empty_init():
      texture = pv.Texture()
      assert texture.dimensions == (0, 0)
      assert texture.n_components == 0
  
imports: import numpy
  import pytest
  import vtk
  import pyvista
  from pyvista import examples
  from pyvista.core.errors import VTKVersionError
  from pyvista.plotting.texture import numpy_to_texture
label_desc: Use image node_id 2 for calling a global function with example usage: test_texture_empty_init() without return types